Boat seat support



FIG. 1 is a top perspective view of a boat seat support showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

We claim the ornamental design for the boat seat support, as shown. 